Home / 96,221.28-132,782.80-53,780.16

Finding the Fourth Proportional to 96,221.28, 132,782.80 and 53,780.16

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Solution

The fourth proportional to 96,221.28, 132,782.80 and 53,780.16 is: 74,215.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,221.28 : 132,782.80 = 53,780.16 : x
  2. Step 2: Convert to fraction form
    96,221.28/132,782.80 = 53,780.16/x
  3. Step 3: Cross multiply
    96,221.28x = 132,782.80 × 53,780.16
  4. Step 4: Simplify right side
    96,221.28x = 7,141,080,229.25
  5. Step 5: Solve for x
    x = 7,141,080,229.25/96,221.28
  6. Step 6: Final answer
    x = 74,215.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.